Code result

P0129

Barometric Pressure Too Low

Moderate severity

What it means

Barometric pressure reading below the plausible minimum. Either operating at extreme altitude or sensor fault.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Sensor reading drifted low

    high

    One of the most commonly reported causes for this code — check this first.

Get the full diagnosis

Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.

Diagnose P0129 free

No credit card required